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From: Kalle Valo <kvalo@codeaurora.org>
To: Kai Heng Feng <kai.heng.feng@canonical.com>
Cc: LKML <linux-kernel@vger.kernel.org>,
	Johannes Berg <johannes.berg@intel.com>,
	Emmanuel Grumbach <emmanuel.grumbach@intel.com>,
	Luca Coelho <luciano.coelho@intel.com>,
	Intel Linux Wireless <linuxwifi@intel.com>,
	"David S. Miller" <davem@davemloft.net>,
	linux-wireless@vger.kernel.org, netdev@vger.kernel.org
Subject: Re: [RESEND] [PATCH 3/3] iwlwifi: Load firmware exclusively for Intel WiFi
Date: Wed, 03 Oct 2018 12:40:48 +0300	[thread overview]
Message-ID: <87tvm3id0f.fsf@kamboji.qca.qualcomm.com> (raw)
In-Reply-To: <265BAF93-4BFF-4850-92F7-80AC39496473@canonical.com> (Kai Heng Feng's message of "Wed, 3 Oct 2018 17:27:41 +0800")

Kai Heng Feng <kai.heng.feng@canonical.com> writes:

>> On Oct 3, 2018, at 5:10 PM, Kalle Valo <kvalo@codeaurora.org> wrote:
>> 
>> Kai-Heng Feng <kai.heng.feng@canonical.com> writes:
>> 
>>> To avoid the firmware loading race between Bluetooth and WiFi on Intel
>>> 8260, load firmware exclusively when BT_INTEL is enabled.
>>> 
>>> Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
>> 
>> Still the commit log tells nothing about the actual problem which makes
>> review impossible.
>
> Sorry for that. The first two patches [1] only sends to linux-bluetooth and LMKL.

For a patchset like this you should CC linux-wireless for all patches,
otherwise people just get confused. And even more so as patch 3 seems to
depend on the other patches.

> I don’t know what really happened at hardware/firmware level, but
> making btusb and iwlwifi load firmware sequentially can workaround the
> issue.

We don't apply ugly workarounds without understanding the issue.

> Matt Chen may be able to explain this issue with more detail.

Then you need to work with Matt so that the issue is properly explained
in the commit log.

-- 
Kalle Valo

  reply	other threads:[~2018-10-03  9:40 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-10-03  7:35 [RESEND] [PATCH 1/3] Bluetooth: btintel: Add firmware lock function Kai-Heng Feng
2018-10-03  7:35 ` [RESEND] [PATCH 2/3] Bluetooth: btusb: Load firmware exclusively for Intel BT Kai-Heng Feng
2018-10-03  7:35 ` [RESEND] [PATCH 3/3] iwlwifi: Load firmware exclusively for Intel WiFi Kai-Heng Feng
2018-10-03  9:10   ` Kalle Valo
2018-10-03  9:27     ` Kai Heng Feng
2018-10-03  9:40       ` Kalle Valo [this message]
2018-10-03  9:47         ` Kalle Valo
2018-10-03  9:50       ` Grumbach, Emmanuel
2018-10-03  9:57         ` Kalle Valo

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